Update documentation and sample apps
Fix documentation typos
Explain with more details how properties can be set in gradle.properties
Bug fix: use the Base64 class from Android's SDK and use commons codec during tests, it was throwing method not found exception in runtime
Preparing Liferay Android SDK 6.2.0.10 release
Simplify portrait token encoding
No need to check for portal version when appeding users uuid to portrait URL, it's harmless
Preparing Liferay Android SDK 6.2.0.11 release
Fix documentation link